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From "Kristian Waagan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-3844) ASSERT failure in BasePage.unlatch() when running LobStreamsTest
Date Mon, 15 Feb 2010 10:41:28 GMT

     [ https://issues.apache.org/jira/browse/DERBY-3844?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kristian Waagan updated DERBY-3844:
-----------------------------------

    Attachment: derby-3844-2a-jdbcdriver_test_rewrite.diff

I overlooked an error in the compatibility suite. Again, the JDBCDriverTest fails because
it fetched LOBs several times from the same column on a single row.
Patch 2a rewrites the test, basically be iterating over the different types and coercions
instead of iterating over the rows. The query is executed once per check.
Note that I deleted some unused methods in JDBCDriverTest. There were no comments indicating
they would be useful for debugging, so I assumed they were left-overs from the test development
phase.

I compared the output from the original test and the new test to make sure that no tests were
lost during the rewrite (to see the output you have to run with drb.tests.debug=true).

Patch 1b depends on 2a to run cleanly.
Patch ready for review.

> ASSERT failure in BasePage.unlatch() when running LobStreamsTest
> ----------------------------------------------------------------
>
>                 Key: DERBY-3844
>                 URL: https://issues.apache.org/jira/browse/DERBY-3844
>             Project: Derby
>          Issue Type: Bug
>          Components: Store
>    Affects Versions: 10.5.1.1, 10.6.0.0
>         Environment: Solaris 10, AMD Opteron with 2 CPUs, Java(TM) SE Runtime Environment
(build 1.6.0_06-b02), Derby trunk revision 686755
>            Reporter: Knut Anders Hatlen
>            Assignee: Kristian Waagan
>         Attachments: derby-3844-1a-disallow_multiple_accesses.diff, derby-3844-1a-disallow_multiple_accesses.stat,
derby-3844-1a-repro_test.diff, derby-3844-1b-disallow_multiple_accesses.diff, derby-3844-2a-jdbcdriver_test_rewrite.diff
>
>
> I saw this failure when running suites.All to test the patch nested_transaction_v2.diff
which is posted on DERBY-3693. The failure did not occur when I reran the test, and I don't
believe the patch should have any effect on the code that failed. The ASSERT that is triggered
is this one (which indicates that we're trying to unlatch a page that's not latched):
> 		if (SanityManager.DEBUG) {
> 			SanityManager.ASSERT(isLatched());
> 		}
> Here's the full stack trace and thread dump:
> 1) testBlobWrite3Param(org.apache.derbyTesting.functionTests.tests.jdbcapi.LobStreamsTest)org.apache.derby.shared.common.sanity.AssertFailure:
ASSERT FAILED
> 	at org.apache.derby.shared.common.sanity.SanityManager.ASSERT(SanityManager.java:98)
> 	at org.apache.derby.impl.store.raw.data.BasePage.unlatch(BasePage.java:1319)
> 	at org.apache.derby.impl.store.raw.data.OverflowInputStream.fillByteHolder(OverflowInputStream.java:152)
> 	at org.apache.derby.impl.store.raw.data.BufferedByteHolderInputStream.read(BufferedByteHolderInputStream.java:44)
> 	at java.io.DataInputStream.read(DataInputStream.java:132)
> 	at org.apache.derby.impl.jdbc.PositionedStoreStream.read(PositionedStoreStream.java:106)
> 	at org.apache.derby.impl.jdbc.AutoPositioningStream.read(AutoPositioningStream.java:113)
> 	at org.apache.derby.impl.jdbc.UpdatableBlobStream.read(UpdatableBlobStream.java:194)
> 	at org.apache.derbyTesting.functionTests.tests.jdbcapi.LobStreamsTest.readBytesFromStream(LobStreamsTest.java:463)
> 	at org.apache.derbyTesting.functionTests.tests.jdbcapi.LobStreamsTest.compareLob2File(LobStreamsTest.java:488)
> 	at org.apache.derbyTesting.functionTests.tests.jdbcapi.LobStreamsTest.testBlobWrite3Param(LobStreamsTest.java:130)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:104)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> ---------------
> Stack traces for all live threads:
> Thread name=derby.antiGC id=280 priority=1 state=WAITING isdaemon=true
> 	java.lang.Object.wait(Native Method)
> 	java.lang.Object.wait(Object.java:485)
> 	org.apache.derby.impl.services.monitor.AntiGC.run(BaseMonitor.java:2217)
> 	java.lang.Thread.run(Thread.java:619)
> Thread name=Signal Dispatcher id=4 priority=9 state=RUNNABLE isdaemon=true
> Thread name=main id=1 priority=5 state=RUNNABLE isdaemon=false
> 	java.lang.Thread.dumpThreads(Native Method)
> 	java.lang.Thread.getAllStackTraces(Thread.java:1477)
> 	org.apache.derby.shared.common.sanity.ThreadDump.getStackDumpString(ThreadDump.java:34)
> 	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	org.apache.derby.shared.common.sanity.AssertFailure$1.run(AssertFailure.java:165)
> 	java.security.AccessController.doPrivileged(Native Method)
> 	org.apache.derby.shared.common.sanity.AssertFailure.dumpThreads(AssertFailure.java:159)
> 	org.apache.derby.shared.common.sanity.AssertFailure.<init>(AssertFailure.java:82)
> 	org.apache.derby.shared.common.sanity.SanityManager.ASSERT(SanityManager.java:98)
> 	org.apache.derby.impl.store.raw.data.BasePage.unlatch(BasePage.java:1319)
> 	org.apache.derby.impl.store.raw.data.OverflowInputStream.fillByteHolder(OverflowInputStream.java:152)
> 	org.apache.derby.impl.store.raw.data.BufferedByteHolderInputStream.read(BufferedByteHolderInputStream.java:44)
> 	java.io.DataInputStream.read(DataInputStream.java:132)
> 	org.apache.derby.impl.jdbc.PositionedStoreStream.read(PositionedStoreStream.java:106)
> 	org.apache.derby.impl.jdbc.AutoPositioningStream.read(AutoPositioningStream.java:113)
> 	org.apache.derby.impl.jdbc.UpdatableBlobStream.read(UpdatableBlobStream.java:194)
> 	org.apache.derbyTesting.functionTests.tests.jdbcapi.LobStreamsTest.readBytesFromStream(LobStreamsTest.java:463)
> 	org.apache.derbyTesting.functionTests.tests.jdbcapi.LobStreamsTest.compareLob2File(LobStreamsTest.java:488)
> 	org.apache.derbyTesting.functionTests.tests.jdbcapi.LobStreamsTest.testBlobWrite3Param(LobStreamsTest.java:130)
> 	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:104)
> 	junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	junit.extensions.TestSetup.run(TestSetup.java:25)
> 	org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> Thread name=derby.rawStoreDaemon id=941 priority=5 state=TIMED_WAITING isdaemon=true
> 	java.lang.Object.wait(Native Method)
> 	org.apache.derby.impl.services.daemon.BasicDaemon.rest(BasicDaemon.java:571)
> 	org.apache.derby.impl.services.daemon.BasicDaemon.run(BasicDaemon.java:388)
> 	java.lang.Thread.run(Thread.java:619)
> Thread name=Timer-3 id=281 priority=5 state=WAITING isdaemon=true
> 	java.lang.Object.wait(Native Method)
> 	java.lang.Object.wait(Object.java:485)
> 	java.util.TimerThread.mainLoop(Timer.java:483)
> 	java.util.TimerThread.run(Timer.java:462)
> Thread name=Finalizer id=3 priority=8 state=WAITING isdaemon=true
> 	java.lang.Object.wait(Native Method)
> 	java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:116)
> 	java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:132)
> 	java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)
> Thread name=Reference Handler id=2 priority=10 state=WAITING isdaemon=true
> 	java.lang.Object.wait(Native Method)
> 	java.lang.Object.wait(Object.java:485)
> 	java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
> Thread name=derby.rawStoreDaemon id=933 priority=5 state=TIMED_WAITING isdaemon=true
> 	java.lang.Object.wait(Native Method)
> 	org.apache.derby.impl.services.daemon.BasicDaemon.rest(BasicDaemon.java:571)
> 	org.apache.derby.impl.services.daemon.BasicDaemon.run(BasicDaemon.java:388)
> 	java.lang.Thread.run(Thread.java:619)
> ---------------

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